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Type: Posts; User: aelynne

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  1. Re: How to capture signature using Canvas and save in png format?

    yeah, becuse i dont understand java programming, that why i need your help
  2. Re: How to capture signature using Canvas and save in png format?

    it doesnt have error message. i can compile it, just it has red line below the text. and when i pressed save button it eventdispatchthread. java and show this

    if (theQueue.peekEvent() != null || ...
  3. Re: How to capture signature using Canvas and save in png format?

    this the error,1268
  4. Re: How to capture signature using Canvas and save in png format?

    my error is in here. at the canvas, image n so on. getWidth, getHeight. what should i replace to that?


    public void capture(){
    Graphics g = image.createGraphics();
    ...
  5. Re: How to capture signature using Canvas and save in png format?

    my error is in here. at the canvas, image n so on. getWidth, getHeight. what should i replace to that?


    public void capture(){
    Graphics g = image.createGraphics();
    ...
  6. Re: How to capture signature using Canvas and save in png format?

    like this? but i it have error


    import java.awt.BorderLayout;
    import java.awt.Color;
    import java.awt.Graphics;
    import java.awt.Graphics2D;
    import java.awt.Image;
    import...
  7. Re: How to capture signature using Canvas and save in png format?

    i dont get it. i'm new to java. can u give example? or help me add in my code?
  8. Re: How to capture signature using Canvas and save in png format?

    is it in here
    if (image == null?
  9. Re: How to capture signature using Canvas and save in png format?

    this is the code example same as i do. how to add save function to it?


    import java.awt.BorderLayout;
    import java.awt.Color;
    import java.awt.Graphics;
    import java.awt.Graphics2D;
    import...
  10. Re: How to capture signature using Canvas and save in png format?

    take a look at this, i have paint component. but how I can save the image?


    import javax.swing.*;
    import java.awt.event.*;
    import java.awt.*;
    import java.awt.event.ActionEvent;
    import...
  11. Re: How to capture signature using Canvas and save in png format?

    i dont get it, can you give some example?
  12. Re: How to capture signature using Canvas and save in png format?

    try this. i already done that, nothing problem. my problem is how to save the image i draw in the canvas.


    import javax.swing.*;

    import java.awt.*;
    import java.awt.event.*;
    import...
  13. Re: How to capture signature using Canvas and save in png format?

    i can compile it. nothing problem
  14. Re: How to capture signature using Canvas and save in png format?

    sorry, this is my new code. when i run, it save blank black image. i want to save the drawing on the canvas. please help me.


    import javax.swing.*;

    import java.awt.*;
    import...
  15. How to capture signature using Canvas and save in png format?

    I have done this, but i have problem to save the image? can someone help me?


    import javax.swing.*;
    import java.awt.event.*;
    import java.awt.*;
    import java.awt.event.ActionEvent;
    import...
  16. Thread: Help !

    by aelynne
    Replies
    2
    Views
    429

    Help !

    I currently working for the interface for my project.

    in my interface, there should have a box / text field that can accept mouse listener event from tablet to get signature. how to do this?
  17. Replies
    13
    Views
    3,929

    Re: Chain Code (Freeman)

    i have a chain code coding for straight-forward signature,and now i need to do for the signature that have intersection, how?
  18. Replies
    13
    Views
    3,929

    Re: Chain Code (Freeman)

    its okay, i have successed. but, this program only for straightforward signature, doesn't have any junction. If the signature is complex with junction, how to do that?
  19. Replies
    13
    Views
    3,929

    Re: Chain Code (Freeman)

    i have run this program,


    import javax.imageio.ImageIO;
    import java.io.*;
    import java.io.IOException;
    import java.awt.image.BufferedImage;
    import java.util.Vector;

    public class Imagersteg {
  20. Replies
    13
    Views
    3,929

    Re: Chain Code (Freeman)

    okay. it is like this.

    i have a signature that i get from a tablet, then i need to trace all the pixels of the signature using the chain code algorithm. the chain have 8 connection, which is from...
  21. Replies
    13
    Views
    3,929

    Re: Chain Code (Freeman)

    i didn't try anything yet, because i not have any idea about chain code in java. i need someone to give me idea on doing this.
  22. Replies
    13
    Views
    3,929

    Chain Code (Freeman)

    hallo, i have to do programming on freeman chain code to traces the pixels of signatures. I usd bitmap image which in black and white. Can someone help me on how to do it in java?
  23. Thread: Hello !

    by aelynne
    Replies
    1
    Views
    235

    Hello !

    Hello, I'm a new member in this forum.
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